Total Complaints
46 filings
MERCEDES-BENZ E CLASS · model year
46 NHTSA complaints for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 1994MERCEDES-BENZE CLASS carries 46 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 6 fires, 12 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 1994 E CLASS is electrical system:wiring:front underhood with 12 filings, followed by electrical system:wiring (11) and electrical system (8). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 15 investigation files overlapping the 1994 E CLASS. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
46 filings
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD | 12 |
| ELECTRICAL SYSTEM:WIRING | 11 |
| ELECTRICAL SYSTEM | 8 |
| ENGINE AND ENGINE COOLING:ENGINE | 3 |
| ENGINE AND ENGINE COOLING | 3 |
| SUSPENSION:REAR | 1 |
| STEERING:RACK AND PINION | 1 |
| SERVICE BRAKES, HYDRAULIC | 1 |
| ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH | 1 |
| ELECTRICAL SYSTEM:SOFTWARE | 1 |
| FUEL SYSTEM, OTHER | 1 |
| SUSPENSION:FRONT | 1 |
| STRUCTURE | 1 |
| VEHICLE SPEED CONTROL | 1 |
WIRE HARNESS DECAY, DEFECTIVE HEAD GASKET. *TR
Mileage: 150,000
I TURNED ON THE SWITCH OF MY 1994 E320 MERCEDES NOTICED SMOKE COMING FROM UNDER HOOD ON PASSENGER SIDE. OPENED HOOD IT WAS ON FIRE. AIR FLOW SENSOR HAD JUST BEEN REPLACED. I HAVE SINCE REPLACED WIRING HARNESS, PLUGS, BUT CAR IS STILL SURGING NOT IDLING PROPERLY. REPLACED INTAKE AIR SENSOR, PLANNING TO REPLACE IDLE ACTUATOR, AND OVP RELAY. 153,000 MILES I HAVE SPENT 3000.00. MY SON WAS PRESENT AND PUT OUT THE FIRE AND DISCONNECTED THE BATTERY. I COULD HAVE LOST MY LIFE. I HAVE ALL OLD PARTS REPLACED. *TR
Mileage: 153,000
ENGINE OCCASIONALLY STALLING AT ANY SPEED INCLUDING HIGHWAY TRAFFIC. MECHANIC TRACED TO DEFECTIVE ENGINE WIRING HARNESS SHORTING. THE DRIVING IS UNSAFE AS THERE IS A REAL POSSIBILITY OF A FIRE WITH MANY FIRES REPORTED. *TR
Mileage: 72,000
TL*THE CONTACT OWNS A 1994 MERCEDES BENZ E320. WHILE DRIVING APPROXIMATELY 40 MPH, THE CONTACT HEARD A LOUD NOISE AT THE FRONT END OF THE VEHICLE. THE VEHICLE PROCEEDED TO PULL TO THE RIGHT. HE TOOK THE VEHICLE TO A REPAIR SHOP AND THE MECHANIC STATED THAT THE FRONT COIL SPRINGS AND STRUTS WERE CORRODED. IN ADDITION, THE STABILIZER BAR WAS CRACKED. THE MANUFACTURER WAS AWARE OF THE FAILURES; HOWEVER, THE WARRANTY IS ONLY VALID IN CANADA AND NOT THE UNITED STATES. THEREFORE, THE MANUFACTURER WILL NOT ASSIST WITH THE REPAIR. THE VEHICLE HAS NOT BEEN REPAIRED. THE CURRENT AND FAILURE MILEAGES WERE 140,000. UPDATED 06/09/09 *BF THE CONSUMER STATED SPRING HOUSING SHROUD WAS CORRODED. THE WHEEL DISENGAGED WHILE DRIVING, WHICH CAUSED THE CONSUMER TO LOOSE CONTROL OF THE VEHICLE. THE SUSPENSION COLLAPSED AND THE WHEEL BUCKLED UNDER THE FRONT FENDER. THE CONSUMER BELIEVED IT TO BE A STRUCTURAL FAILURE. UPDATED 06/10/09.*JB
Mileage: 140,000
TL*THE CONTACT OWNS A 1994 MERCEDES BENZ E320. WHILE DRIVING APPROXIMATELY 40 MPH, THE CONTACT HEARD A LOUD NOISE AT THE FRONT END OF THE VEHICLE. THE VEHICLE PROCEEDED TO PULL TO THE RIGHT. HE TOOK THE VEHICLE TO A REPAIR SHOP AND THE MECHANIC STATED THAT THE FRONT COIL SPRINGS AND STRUTS WERE CORRODED. IN ADDITION, THE STABILIZER BAR WAS CRACKED. THE MANUFACTURER WAS AWARE OF THE FAILURES; HOWEVER, THE WARRANTY IS ONLY VALID IN CANADA AND NOT THE UNITED STATES. THEREFORE, THE MANUFACTURER WILL NOT ASSIST WITH THE REPAIR. THE VEHICLE HAS NOT BEEN REPAIRED. THE CURRENT AND FAILURE MILEAGES WERE 140,000. UPDATED 06/09/09 *BF THE CONSUMER STATED SPRING HOUSING SHROUD WAS CORRODED. THE WHEEL DISENGAGED WHILE DRIVING, WHICH CAUSED THE CONSUMER TO LOOSE CONTROL OF THE VEHICLE. THE SUSPENSION COLLAPSED AND THE WHEEL BUCKLED UNDER THE FRONT FENDER. THE CONSUMER BELIEVED IT TO BE A STRUCTURAL FAILURE. UPDATED 06/10/09.*JB
Mileage: 140,000
1. POOR ENGINE PERFORMANCE, UNSAFE DRIVABILITY, HESITATION AND STALLING. 2. FREQUENCY OF PROBLEM IS VERY OFTEN. QUALIFIED MERCEDES-BENZ REPAIR SHOP DIAGNOSED ISSUE AS ENGINE WIRING HARNESS INSULATION DEGRADATION. THEY HAVE SEEN A LOT OF THESE HARNESSES FAIL, ACCORDING TO THEIR HEAD MECHANICS. IN CONVERSATIONS WITH MERCEDES-BENZ DEALER MECHANICS, THEY, TOO, HAVE WITNESSED AN EXTREMELY HIGH FAILURE RATE. 3. ENGINE WIRING HARNESS REPLACED AT A COST OF $1,210.00. *TR
Mileage: 90,000
TL*THE CONTACT OWNS A 1994 MERCEDES BENZ E-320. THE CONTACT STATED THAT THE VEHICLE WOULD SPORADICALLY STALL WHEN APPROACHING A COMPLETE STOP. IN ADDITION, THE ENGINE WARNING INDICATOR WAS ILLUMINATED ON THE INSTRUMENT PANEL. THE DEALER STATED THAT THE ENGINE WARNING HARNESS NEEDED TO BE REPLACED AT THE COST OF $1,800. THE TECHNICIAN ALSO ADDED THAT THE FAILURE OCCURS AT A HIGH FREQUENCY WITH THIS YEAR, MAKE, AND MODEL VEHICLE. THE VEHICLE HAS NOT BEEN REPAIRED. THE FAILURE AND CURRENT MILEAGES WERE 60,000.
Mileage: 60,000
IN MY 1994 MERCEDES BENZ E320, THE ENGINE WIRING HARNESS HAS COMPLETELY DEGRADED IN SOME PARTS, CAUSING THE INDIVIDUALLY INSULATED WIRES TO TOUCH EACH OTHER, CAUSING SYSTEM MALFUNCTIONS. MY CAR HAS STALLED ON THE FREEWAY SEVERAL TIMES, NEARLY KILLING MYSELF AND ENDANGERING OTHERS. MY FRIEND'S 1995 MERCEDES BENZ E420 HAS CAUGHT ON FIRE BECAUSE OF A FAILURE WITH THE ENGINE WIRING HARNESS WHILE WE WERE DRIVING DOWN THE STREET, CAUSING SEVERE BURNS ON HIS UPPER ARMS AND SMOKE INHALATION INJURIES BETWEEN ME, HIM, AND SEVERAL PEDESTRIANS. THIS IS A CRUCIAL SAFETY DEFECT AND I CANNOT FIND ANY RECOURSE VIA MERCEDES BENZ TO REPAIR THIS ISSUE. I AM SCARED TO DRIVE THIS CAR BECAUSE I FEEL THAT I AM A DANGER TO THE SAFETY OF OTHERS AND TO MYSELF. *TR
IN MY 1994 MERCEDES BENZ E320, THE ENGINE WIRING HARNESS HAS COMPLETELY DEGRADED IN SOME PARTS, CAUSING THE INDIVIDUALLY INSULATED WIRES TO TOUCH EACH OTHER, CAUSING SYSTEM MALFUNCTIONS. MY CAR HAS STALLED ON THE FREEWAY SEVERAL TIMES, NEARLY KILLING MYSELF AND ENDANGERING OTHERS. MY FRIEND'S 1995 MERCEDES BENZ E420 HAS CAUGHT ON FIRE BECAUSE OF A FAILURE WITH THE ENGINE WIRING HARNESS WHILE WE WERE DRIVING DOWN THE STREET, CAUSING SEVERE BURNS ON HIS UPPER ARMS AND SMOKE INHALATION INJURIES BETWEEN ME, HIM, AND SEVERAL PEDESTRIANS. THIS IS A CRUCIAL SAFETY DEFECT AND I CANNOT FIND ANY RECOURSE VIA MERCEDES BENZ TO REPAIR THIS ISSUE. I AM SCARED TO DRIVE THIS CAR BECAUSE I FEEL THAT I AM A DANGER TO THE SAFETY OF OTHERS AND TO MYSELF. *TR
CRUMBLING ENGINE WIRING HARNESS IN MY CAR. I'VE COLLECTED AND RESTORED CARS FOR MANY YEARS, AND FIND THIS MANUFACTURING DEFECT TO BE UNBELIEVABLE - ESPECIALLY FROM MERCEDES BENZ. FURTHERMORE THE LACK OF RESPONSE OR RECALL IS FURTHER EVIDENCE THAT MB IS INDIFFERENT ABOUT EXISTING OWNER SATISFACTION, CUSTOMER SAFETY AND THE QUALITY OF THE BRAND THEY SO PROUDLY PRODUCE. THE REPAIR IS A $900+ EXPENSE TO ME, AND THERE'S NO ASSISTANCE FROM MB. *TR
I OWN A 1994 MB E320,MY ASR LIGHT CAME ON AND STAYED ON FOR ABOUT 4 DAYS,TO SOLVE THIS PROBLEM I ADDED A FUEL ADDITIVE INTO TANK BECAUSE IT ACTUALLY SEEMED LIKE A FUEL PROBLEM. THE CAR DID RUN OK .A COUPLE OF WEEKS WENT BY AND SEEMED FINE, BUT THE CAR SLOWLY STARTED TO ACT UP AGAIN AND CAUGHT US ALL BY SURPRISE WHEN THE ASR LIGHT CAME ON AND SO DID LIMP HOME MODE, WE WERE ALMOST INVOLVED IN A CAR ACCIDENT TWICE AND NOW THE CAR SEEMS TO BE SHUTTING OFF MORE OFTEN THAN BEFORE, AND NOW THE ASR DOES NOT TURN OFF AND IS STILL IN LIMP MODE. I AM VERY AFRAID TO DRIVE MY CAR BUT I HAVE NO CHOICE. I'VE DONE SOME RESEARCH AND THIS PROBLEM SEEMS TO BE HAPPENING TO ALOT OF MERCEDES BENZ OWNER'S IN THIS CLASS. I TOOK MY CAR TO A CERTIFIED MB MECHANIC AND CALLED THE DEALERSHIP,THIS ALL WAS WORTHLESS AND A WAIST OF MONEY AS IT SEEMS NEITHER NEW WHAT WAS WRONG WITH MY CAR. THIS IS THE ONLY VEHICLE I HAVE, SO I HAVE TO DEPEND ON IT EVEN THOUGH ITS NOT RELIABLE ANY MORE. MY FAMILY MEANS THE WORLD TO
Mileage: 155,000
I OWN A 1994 MB E320,MY ASR LIGHT CAME ON AND STAYED ON FOR ABOUT 4 DAYS,TO SOLVE THIS PROBLEM I ADDED A FUEL ADDITIVE INTO TANK BECAUSE IT ACTUALLY SEEMED LIKE A FUEL PROBLEM. THE CAR DID RUN OK .A COUPLE OF WEEKS WENT BY AND SEEMED FINE, BUT THE CAR SLOWLY STARTED TO ACT UP AGAIN AND CAUGHT US ALL BY SURPRISE WHEN THE ASR LIGHT CAME ON AND SO DID LIMP HOME MODE, WE WERE ALMOST INVOLVED IN A CAR ACCIDENT TWICE AND NOW THE CAR SEEMS TO BE SHUTTING OFF MORE OFTEN THAN BEFORE, AND NOW THE ASR DOES NOT TURN OFF AND IS STILL IN LIMP MODE. I AM VERY AFRAID TO DRIVE MY CAR BUT I HAVE NO CHOICE. I'VE DONE SOME RESEARCH AND THIS PROBLEM SEEMS TO BE HAPPENING TO ALOT OF MERCEDES BENZ OWNER'S IN THIS CLASS. I TOOK MY CAR TO A CERTIFIED MB MECHANIC AND CALLED THE DEALERSHIP,THIS ALL WAS WORTHLESS AND A WAIST OF MONEY AS IT SEEMS NEITHER NEW WHAT WAS WRONG WITH MY CAR. THIS IS THE ONLY VEHICLE I HAVE, SO I HAVE TO DEPEND ON IT EVEN THOUGH ITS NOT RELIABLE ANY MORE. MY FAMILY MEANS THE WORLD TO
Mileage: 155,000
I HAVE A 1994 MERCEDES BENZ E320 WAGON AND THE ENGINE WIRING HARNESS INSULATION IS COMPLETELY FAILING. THIS RESULTED IN ME HAVING TO REPLACE IT FOR $1100. *TR
Mileage: 75,000
1994 MERCEDES-BENZ E500 ENGINE WIRE HARNESS FAILURE. WIRES HAVE DISINTEGRATED IN THE MAIN HARNESS RUN FOR THE ENGINE. SAME IS TRUE WITH WIRE HARNESS THAT RUNS DIRECT TO THE M/16 THROTTLE ACTUATOR. THROWING CODES AND ENGINE SURGES AND WILL CUT OUT. TOOK CAR TO THE DEALER TO DIAGNOSE AND THEY VERIFIED WHAT WAS A KNOWN FACT. THE WIRE SHEATHING HAS COMPLETELY CRACKED AND HAD EXPOSED WIRES IN CONTACT WITH ONE ANOTHER. *TR
Mileage: 122,565
1994 MERCEDES-BENZ E500 ENGINE WIRE HARNESS FAILURE. WIRES HAVE DISINTEGRATED IN THE MAIN HARNESS RUN FOR THE ENGINE. SAME IS TRUE WITH WIRE HARNESS THAT RUNS DIRECT TO THE M/16 THROTTLE ACTUATOR. THROWING CODES AND ENGINE SURGES AND WILL CUT OUT. TOOK CAR TO THE DEALER TO DIAGNOSE AND THEY VERIFIED WHAT WAS A KNOWN FACT. THE WIRE SHEATHING HAS COMPLETELY CRACKED AND HAD EXPOSED WIRES IN CONTACT WITH ONE ANOTHER. *TR
Mileage: 122,565
1994 MERCEDES E320 WAS INVOLVED IN THE ELECTRICAL WIRING HARNESS FAILURE - INSULATION WAS CRACKING AND PEELING OFF AND SHORTED OUT - THIS CAUSED THE THROTTLE BODY AND TRACTION CONTROL TO SHORT OUT THE MAIN COMPUTER OF THE CAR. I HAVE READ OTHER COMPLAINTS FROM OTHER MERCEDES OWNERS TELLING ME THAT MERCEDES DOES NOT HAVE A RECALL. THIS COST ME OVER $3,000 DOLLARS IN REPAIRS AND USAGE LOSS. NOW, I AM STILL CHASING MORE ELECTRICAL PROBLEMS FROM THE WIRING HARNESS DEFECTS. *TR
Mileage: 110,000
MERCEDES BENZ E320 YEAR 1994. MECHANIC SAYS I HAVE A DEFECTIVE ENGINE HARNESS. CAR SPARKS AND CAUGHT FIRE ONCE WHEN STARTED. THIS IS BECOMING A VERY COMMON PROBLEMS IN MERCEDES SOLD AROUND THE YEAR 1994. A SAFETY RECALL IS REQUIRED ASAP TO AVOID INJURY AND CONSUMER ROBBERY. *TR
THE WIRING HARNESS IS DETERIORATING , THE INSULATION IS COMING OFF , PEELING ,AND I GUESS THIS IS DUE TO A KNOWN DEFECTIVE MANUFACTURING PROBLEM. THE CAR HAS BROKE DOWN ON THE ROAD THREE TIMES AND HAD TO BE TOWED IN TO BE FIXED , BUT THE WHOLE PROBLEM IS NOT SOLVED UNTIL THE WIRING HARNESS IS REPLACED I HAVE HEARD THAT THE COMPANT HAS IN THE PAST REPLACED SOME OF THE HARNESSES BUT I AM UNABE TO GET THE LOCAL DEALER TO RESPOND. *CN
Mileage: 50,000
WIRING HARNESS PREMATURE WEAR DRAMATICALLY. *TR
AUTO FIRE , TOTAL LOSS. *TR
Mileage: 170,000
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.